1. Integral criteria for the oscillation of solutions of high order differential equations;Chanturija;Part I: Diff. Uravn.,1980
2. Integral criteria for the oscillation of solutions of high order differential equations;Chanturija;Part II: Diff. Uravn.,1980
3. Oscillation criteria for a class of third order linear differential equations;Cecchi;Boll. Un. Mat. Ital.,1983
4. Sul comportamento delle soluzioni di una classe di equazioni differenziali lineari del terzo ordine in caso di oscillatione;Cecchi;Boll. Un. Mat. Ital.,1985
5. On continuity and compactness of some nonlinear operators associated with differential equations in noncompact intervals;Cecchi;Nonlinear Analysis,1985